Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
As December arrives, Säkylä's weather displays a minor decrease in high-temperatures, transitioning from November's wintry 4.5°C (40.1°F) to a still cold 1°C (33.8°F). Säkylä observes an average low-temperature of -1.5°C (29.3°F) during the slightly cooler nights of December.Humidity
In December, the average relative humidity is 87%.Rainfall
In Säkylä, during December, the rain falls for 11.3 days and regularly aggregates up to 42mm (1.65") of precipitation. Throughout the year, there are 135.2 rainfall days, and 422mm (16.61") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Säkylä, in December, snow falls for 11.9 days, with typically accumulated 79mm (3.11") of snow. In Säkylä, during the entire year, snow falls for 58.1 days and aggregates up to 382mm (15.04") of snow.Daylight
The month with the shortest days is December, with an average of 5h and 42min of daylight.On the first day of December, sunrise is at 09:15 and sunset at 15:24. On the last day of the month, sunrise is at 09:43 and sunset at 15:24 EET.
Sunshine
January and December, with an average of 2.1h of sunshine, are months with the least sunshine.UV index
January through March and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 1 during December leads to these instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Säkylä have in December?
When is the sunrise / sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Säkylä have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Säkylä, Finland
- Average high temperature in December: 1°C
The warmest month (with the highest average high temperature) is July (19.7°C).
The months with the lowest average high temperature are January and February (-1.5°C).
- Average low temperature in December: -1.5°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (-5°C).
Average pressure in December
Säkylä, Finland
- Average pressure in December: 1006.9mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1006.9mbar).
Average wind speed in December
Säkylä, Finland
- Average wind speed in December: 20.7km/h
The windiest month (with the highest average wind speed) is December (20.7km/h).
The calmest month (with the lowest average wind speed) is July (14.5km/h).
Average humidity in December
Säkylä, Finland
- Average humidity in December: 87%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Säkylä, Finland
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in December
Säkylä, Finland
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Säkylä, Finland
- Average snowfall in December: 79mm
The month with the highest snowfall is March (88mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Säkylä, Finland
- Average snowfall days in December: 11.9 days
The month with the highest number of snowfall days is March (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Säkylä, Finland
- Average daylight in December: 5h and 4min
The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 42min).
- Average sunshine in December: 2h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The months with the least sunshine are January and December (Average sunshine: 2h and 6min).
Average sunshine days in December
Säkylä, Finland
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is June (16.8 days).
The month with the least sunshine days is December (10.7 days).
Average UV index in December
Säkylä, Finland
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in December
Säkylä, Finland
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in December
Säkylä, Finland
- Average visibility in December: 9km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February and March (8km).
